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Individual Calculations April 2009 |
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| Mamani, Marco Total change: 8.00 | |   |
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| 5to Festival Sudamericano de la juventud- U14 absoluto | Cochabamba | BOL | 2008-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1990 | 1714 | 0.00 | 4 | -0.68 | 25 | -17.00 | |
|  Monroy Garzon, Javier A | | | 2037 | BOL | 0.00 | 1 | -0.13 | 25 | -3.25 | |  Mendoza, Rodrigo | | | 1931 | BOL | 0.00 | 1 | -0.22 | 25 | -5.50 | | | Salinas Herrera, Pablo | | | 1988 | CHI | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Barros, Raul Junior | f | | 2002 | COL | 0.00 | 1 | -0.16 | 25 | -4.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | II IRT "CIUDAD DE AREQUIPA" | Arequipa | PER | 2009-02-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1839 | 1714 | 3.50 | 7 | 1.00 | 25 | 25.00 | |
| | Huamani, Jeffry | | | 1816 | PER | 0.50 | 1 | 0.14 | 25 | 3.50 | | | Cruz Romani, Juan | | | 2064 | PER | 0.50 | 1 | 0.39 | 25 | 9.75 | | | Hilares Calderon, Antonio | | | 1542 | PER | 1.00 | 1 | 0.27 | 25 | 6.75 | | | Flores, Guillermo | | | 2000 | PER | 0.50 | 1 | 0.34 | 25 | 8.50 | | | Carbajal, Felipe | | | 1987 | PER | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Calisaya, Angel | | | 1939 | PER | 0.00 | 1 | -0.22 | 25 | -5.50 | | | Vilca, Javier | | | 1523 | PER | 1.00 | 1 | 0.25 | 25 | 6.25 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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